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I do have 3 2tb drives with lvm2 on them recently I did resize some partitions (i didn't resize the vg - one drive one vg here) but I use lvresize -L ±nnG vg/lv to add exactly nn GB to desired lv an than online grow with resize2fs /dev/vg/lv |
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I did this more than once and never encountered any problem. |
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S |
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walt <w41ter@×××××.com> wrote: |
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>I've never expanded an lvm partition before, and I think I did it the |
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>long way around just now: |
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> |
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>I divided my 1TB disk into 10 equal pv's when I bought it, and then |
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>added four of those to a new vg (named wd0), leaving the other six |
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>for future use. |
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> |
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>After a few months of filling up that partition I needed more room, |
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>of course, so I used vgextend to add a fifth pv to the existing vg. |
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>That worked fine, but now I had to extend the ext4 fs to fill all of |
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>the added new space. |
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> |
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>While googling I saw some advice to use resize2fs for that, but |
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>resize2fs said there is nothing to do on that fs and quit without |
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>doing anything. |
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> |
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>After some fumbling around I used lvextend -r -L nnnnn /dev/wd0/wd0, |
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>where nnnnn is the number of unused extents listed by pvdisplay. |
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> |
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>That (eventually) worked but each time I ran that command, only |
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>roughly half of the empty extents were added instead of the whole |
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>nnnnn of them. Took me about 10 iterations before all of the |
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>extents were finally added to the filesystem :-/ |
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> |
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>So, did I use the wrong tools or in the wrong order, or what? |
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>It should have been easier than that, I think. |
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Sent from my Android phone with K-9 Mail. Please excuse my brevity. |
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